In the situation of substances with low concentrations in Organic material, liquid or gasoline chromatography with tandem mass spectrometry techniques have the mandatory sensitivity. Inside the mentioned circumstance, a liquid chromatograph which has a triple quadrupole mass spectrometer functioning in multiple reaction checking (MRM) method was employed for NPS screening. https://5f-mdmb-220192345.ja-blog.com/30784095/fascination-about-5f-mdmb-2201